Landfast sea-ice and sub-ice platelet-layer thicknesses in McMurdo Sound from ground-based electromagnetic induction (EM) surveys, supplement to: Brett, Gemma Marie; Irvin, Anne; Rack, Wolfgang; Haas, Christian; Langhorne, Patricia J; Leonard, Greg H (2020): Variability in the Distribution of Fast Ice and the Sub‐ice Platelet Layer Near McMurdo Ice Shelf. Journal of Geophysical Research: Oceans, 125(3), e2019JC015678

Ground-based electromagnetic induction (EM) surveys of sea ice and sub-ice platelet layer thicknesses were carried out on land-fast sea ice in McMurdo Sound, Antarctica in November of 2011, 2013, 2016 and 2017. The EM data was acquired using a frequency-domain Geonics Ltd EM31-MK2 instrument mounted...

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Bibliographic Details
Main Authors: Brett, Gemma Marie, Irvin, Anne, Rack, Wolfgang, Haas, Christian, Langhorne, Patricia J, Leonard, Greg H
Format: Article in Journal/Newspaper
Language:English
Published: PANGAEA - Data Publisher for Earth & Environmental Science 2019
Subjects:
Electromagnetic induction/laser
K066_2016a
K066-1718-A
C-GJKB
DEEP SOUTH NATIONAL SCIENCE CHALLENGE Targeted observation and process-informed modelling of Antarctic sea ice TOPIMASI
Antarctic
McMurdo Ice Shelf
McMurdo Sound
Antarc*
Antarctica
Ice Shelf
Sea ice
Online Access:https://dx.doi.org/10.1594/pangaea.909889
https://doi.pangaea.de/10.1594/PANGAEA.909889
Description
Summary:Ground-based electromagnetic induction (EM) surveys of sea ice and sub-ice platelet layer thicknesses were carried out on land-fast sea ice in McMurdo Sound, Antarctica in November of 2011, 2013, 2016 and 2017. The EM data was acquired using a frequency-domain Geonics Ltd EM31-MK2 instrument mounted on a sledge and towed by skidoo.The thicknesses of total ice (sea ice plus the snow layer) and the SPL were simultaneously retrieved from the EM31 measured response using the processing method of Irvin (2018) (refer to pages 89-98). A correction for the addition of the snow layer was applied to obtain to EM measured Sea Ice (emSI) thickness according to section 2.3 of Brett et al. 2019.

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